module.exports =  ['',
{
    title: '入门',   
    collapsable: true,
    sidebarDepth: 1,
    children: [
        'basic/introduction',
        'basic/history',
        'basic/grammar'
    ]
  },
  {
    title: '数据类型',   
    collapsable: true,
    sidebarDepth: 1,
    children: [
        'types/general', 
        'types/null-undefined-boolean', 
        'types/number',
        'types/string', 
        'types/object',
        'types/function',
        'types/array'
    ]
  },
  {
    title: '运算符',   
    collapsable: true,
    sidebarDepth: 1,
    children: [
        'operators/arithmetic', 
        'operators/comparison',
        'operators/boolean',
        'operators/bit', 
        'operators/priority'
    ]
  },
  {
    title: '语法',   
    collapsable: true,
    sidebarDepth: 1,
    children: [
        'features/conversion',
        'features/error', 
        'features/style', 
        'features/console'
    ]
  },
  {
    title: '标准库',   
    collapsable: true,
    sidebarDepth: 1,
    children: [
        'stdlib/object', 
        'stdlib/attributes', 
        'stdlib/array', 
        'stdlib/wrapper',
        'stdlib/boolean',
        'stdlib/number',
        'stdlib/string', 
        'stdlib/math', 
        'stdlib/date', 
        'stdlib/regexp', 
        'stdlib/json'
    ]
  },
  {
    title: '面向对象',   
    collapsable: true,
    sidebarDepth: 1,
    children: [
        'oop/new', 
        'oop/this', 
        'oop/prototype',
        'oop/object', 
        'oop/strict'
    ]
  },
  {
    title: '异步操作',   
    collapsable: true,
    sidebarDepth: 1,
    children: [
        'async/general',
        'async/timer', 
        'async/promise'
    ]
  },
  {
    title: 'DOM',   
    collapsable: true,
    sidebarDepth: 1,
    children: [
        'dom/general',
        'dom/node', 
        'dom/nodelist', 
        'dom/parentnode', 
        'dom/document', 
        'dom/element', 
        'dom/attributes', 
        'dom/text', 
        'dom/css', 
        'dom/mutationobserver'
    ]
  },
  {
    title: '事件',   
    collapsable: true,
    sidebarDepth: 1,
    children: [
        'events/eventtarget',
        'events/model', 
        'events/event', 
        'events/mouse', 
        'events/keyboard', 
        'events/progress',
        'events/form',
        'events/touch', 
        'events/drag',
        'events/common', 
        'events/globaleventhandlers'
    ]
  },
  {
    title: 'BOM',   
    collapsable: true,
    sidebarDepth: 1,
    children: [
        'bom/engine', 
        'bom/window', 
        'bom/navigator', 
        'bom/cookie', 
        'bom/xmlhttprequest',
        'bom/same-origin', 
        'bom/cors', 
        'bom/storage',
        'bom/history', 
        'bom/location', 
        'bom/arraybuffer',
        'bom/file',
        'bom/form', 
        'bom/indexeddb',
        'bom/webworker'
    ]
  },
  {
    title: 'html元素',   
    collapsable: true,
    sidebarDepth: 1,
    children: [
        'elements/a', 
        'elements/image',
        'elements/form',
        'elements/input', 
        'elements/button',
        'elements/option', 
        'elements/video'
    ]
  }
]